Home / 39,426.76-54,418.30-22,669.48

Finding the Fourth Proportional to 39,426.76, 54,418.30 and 22,669.48

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Solution

The fourth proportional to 39,426.76, 54,418.30 and 22,669.48 is: 31,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.76 : 54,418.30 = 22,669.48 : x
  2. Step 2: Convert to fraction form
    39,426.76/54,418.30 = 22,669.48/x
  3. Step 3: Cross multiply
    39,426.76x = 54,418.30 × 22,669.48
  4. Step 4: Simplify right side
    39,426.76x = 1,233,634,563.48
  5. Step 5: Solve for x
    x = 1,233,634,563.48/39,426.76
  6. Step 6: Final answer
    x = 31,289.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.